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xyloquinone 二甲基醌 二甲基□ Phlorone \Phlo"rone\, n. [Phlorol quinone.] (Chem.)
A yellow crystalline substance having a peculiar unpleasant odor, resembling the quinones, and obtained from beechwood tar and coal tar, as also by the oxidation of xylidine; -- called also {xyloquinone}. [1913 Webster] Xyloquinone \Xy`lo*qui"none\, n. [Xylene quinone.] (Chem.) Any one of a group of quinone compounds obtained respectively by the oxidation of certain xylidine compounds. In general they are yellow crystalline substances. [1913 Webster]
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